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Expand (x+3)(x+2)

(x+3)(x+2)=F=xx= x^2O=x2=2xI=3x=3xL= 3*2=6=x^2 + 2x + 3x + 6= x^2 + 5x + 6

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Answered by Nicola S. Maths tutor
3996 Views

Solve the simultaneous equation: 3x+2y=8 and 2x+5y=-2

3x+2y=8 (1)2x+5y=-2 (2)So you need to have a common multiple of either x or y in this example I’ll equate the x of both equations so I’ll multiply (1) by 2 and (2) by 3 2( 3x+2y=8). 6x+4y=16 (3).3(2x+5y=-...

RD
Answered by Rabia D. Maths tutor
4458 Views

Define systematic and opportunity sampling and state one difference between them.

Systematic sampling refers to a way of choosing participants for a study by taking a list of all participants in a population and choosing every nth number from the list. For example, every 10th or 15th p...

Answered by Psychology tutor
4746 Views

Find the exact solution of the following equation: e^(4x-3) = 11

x= (3 + ln(11))/4

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Answered by Sarah E. Maths tutor
3346 Views

Explain how Paleomagnetism can be used as evidence for Continental Drift?

When hot magma rises towards the surface and cools, iron particles, inside the cooling rock, align themselves with the earth's polarity at the time of cooling. Due to magnetic reversals, that change the o...

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Answered by Ruby D. Geology tutor
6071 Views

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